71725940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:873

約数の個数: 96

約数和(自身を含む): 182891520

約数和(自身を除く): 111165580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 572, 620, 682, 715, 806, 809, 1364, 1430, 1612, 1618, 1705, 2015, 2860, 3236, 3410, 4030, 4045, 4433, 6820, 8060, 8090, 8866, 8899, 10517, 16180, 17732, 17798, 21034, 22165, 25079, 35596, 42068, 44330, 44495, 50158, 52585, 88660, 88990, 100316, 105170, 115687, 125395, 177980, 210340, 231374, 250790, 275869, 326027, 462748, 501580, 551738, 578435, 652054, 1103476, 1156870, 1304108, 1379345, 1630135, 2313740, 2758690, 3260270, 3586297, 5517380, 6520540, 7172594, 14345188, 17931485, 35862970, 71725940]

約数ペア:

[(1, 71725940), (2, 35862970), (4, 17931485), (5, 14345188), (10, 7172594), (11, 6520540), (13, 5517380), (20, 3586297), (22, 3260270), (26, 2758690), (31, 2313740), (44, 1630135), (52, 1379345), (55, 1304108), (62, 1156870), (65, 1103476), (110, 652054), (124, 578435), (130, 551738), (143, 501580), (155, 462748), (220, 326027), (260, 275869), (286, 250790), (310, 231374), (341, 210340), (403, 177980), (572, 125395), (620, 115687), (682, 105170), (715, 100316), (806, 88990), (809, 88660), (1364, 52585), (1430, 50158), (1612, 44495), (1618, 44330), (1705, 42068), (2015, 35596), (2860, 25079), (3236, 22165), (3410, 21034), (4030, 17798), (4045, 17732), (4433, 16180), (6820, 10517), (8060, 8899), (8090, 8866)]